Whether or not artificial legs give Oscar Pistorius an advantage, when he runs in the London Olympics, he will circle the track in a very different way from his competitors. Read related article.
Sources: Ossur; IAAF; Court of Arbitration for Sport; papers by two teams of biomechanists, led by Peter Brüggemann of Cologne, Germany, and Hugh Herr of MIT | By Bonnie Berkowitz and Laura Stanton - The Washington Post 
